Assessments will be done at baseline, days 8, 30 and day 90. Efficacy measures will include patient's pain VAS on weight bearing (0-100mm) and walking 20m (0-100mm), patients' global assessment of ankle injury (5 point categorical scale), patients' assessment of normal function/activity (5 point categorical scale), physician's global assessment of ankle injury (5 point categorical scale), patients/physician satisfaction assessment (10 point categorical scale), time to return to pain-free and disability-free sport and adverse events as per WHO definition.